SI2457-C-FT Silicon Laboratories Inc, SI2457-C-FT Datasheet - Page 28

• Manufacturer Part Number: SI2457-C-FT
• Description: IC ISOMODEM SYSTEM-SIDE 24TSSOP
• Manufacturer: Silicon Laboratories Inc

Specifications of SI2457-C-FT

• Package / Case: 24-TSSOP
• Mfg Application Notes: SI2493/57/34/15/04, Appl Note AN93
• Data Format: V.21, V.22, V.23, V.32, V.34, V.90, Bell 103, Bell 212A
• Baud Rates: 56k
• Interface: Parallel, UART
• Voltage - Supply: 3 V ~ 3.6 V
• Mounting Type: Surface Mount
• Operating Frequency: 4.92 MHz
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 3 V
• Supply Current: 26 mA
• Operating Temperature Range: 0 C to + 70 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

Si2457/34/15/04
+PCW = X
+VCDT = X
+VCID = X
+VCIDR?
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Command
Table 10. Basic AT Command Set (Command Defaults in Bold) (Continued)
Controls the action to be taken upon detection of call waiting.
X
0
1
2
Caller ID Type.
X
0
1
2
3
Caller ID Enable.
X
0
1
2
Type II caller ID information — The Si2493 will display “+VCDIR:” followed by raw caller ID
information including checksum.
Toggle RI and collect type II Caller ID if enabled by +VCID.
Ignore call waiting.
Mode
Hang up.
Mode
After ring only
Always on
UK
Japan
Mode
Off
On—formatted
On—raw data format
Rev. 1.1
Action